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CG Drives & Automation, 01-5326-01r3b
M
Main Features
55
Example
The motor is protected by an internal protection for thermal
overload. When this protection is activated, the AC drive
should wait until the motor is cooled down enough before
resuming normal operation. When this problem occurs
three times in a short period of time, external assistance is
required.
The following settings should be applied:
•
Insert maximum number of restarts; set menu [251] to
3.
•
Activate Motor I
2
t to be automatically reset; set menu
[25A] to 300 s.
•
Set relay 1, menu [551] to “AutoRst Trip”; a signal will
be available when the maximum number of restarts is
reached and the AC drive stays in fault condition.
•
The reset input must be constantly activated.
7.1.5 Reference priority
The active speed reference signal can be programmed from
several sources and functions. The table below shows the
priority of the different functions with regards to the speed
reference.
7.1.6 Preset references
The AC drive is able to select fixed speeds via the control of
digital inputs. This can be used for situations where the
required motor speed needs to be adapted to fixed values,
according to certain process conditions. Up to 7 preset
references can be set for each parameter set, which can be
selected via all digital inputs that are set to Preset Ctrl1,
Preset Ctrl2 or Preset Ctrl3. The amount digital inputs used
that are set to Preset Ctrl determines the number of Preset
References available; using 1 input gives 1 speed, using 2
inputs gives 3 speeds and using 3 inputs gives 7 speeds.
Example
The use of four fixed speeds, at 50 / 100 / 300 / 800 rpm,
requires the following settings:
•
Set DigIn 5 as first selection input; set [525] to Preset
Ctrl1.
•
Set DigIn 6 as second selection input; set [526] to Preset
Ctrl2.
•
Set menu [341] “Min Speed” to 50 rpm.
•
Set menu [362] “Preset Ref 1” to 100 rpm.
•
Set menu [363] “Preset Ref 2” to 300 rpm.
•
Set menu [364] “Preset Ref 3” to 800 rpm.
With these settings, the AC drive switched on and a RUN
command given, the speed will be:
•
50 rpm, when both DigIn 5 and DigIn 6 are low.
•
100 rpm, when DigIn 5 is high and DigIn 6 is low.
•
300 rpm, when DigIn 5 is low and DigIn 6 is high.
•
800 rpm, when both DigIn 5 and DigIn 6 are high.
Table 22
Reference priority
Main Priority
Ref. selection
Priority
1. Jog, (menu [520], [348])
-
2. Reference selection,
(menu [214])
Remote
1. Preset
2. MotPot
3. AnIn
Keypad
-
Com
-
Option
-
9(0R'ULYH 96, 9(0 U
Содержание VEMoDRIVE VSI 2.0 HD
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Страница 40: ...38 Installation CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 52: ...50 Getting Started CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 64: ...62 EMC and standards CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 142: ...140 Functional Description CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
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Страница 206: ...204 Troubleshooting Diagnoses and Maintenance CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 232: ...230 Technical Data CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 238: ...236 Menu List CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
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